/Engine/Plugins/Runtime/nDisplay/Source/DisplayCluster/Public/Render/Viewport/IDisplayClusterViewportManager.h
Render in editor (preview) [Game thread func]
bool RenderInEditor ( [FDisplayClusterRenderFrame](API\Plugins\DisplayCluster\Render\Viewport\RenderFrame\FDisplayClusterRenderFrame) & InRenderFrame, [FViewport](API\Runtime\Engine\FViewport) * InViewport, const uint32 InFirstViewportNum, const int32 InViewportsAmount, int32 & OutViewportsAmount, bool & bOutFrameRendered )